Calculator



FIG. 1 is a perspective view of a calculator showing my new design.

FIG. 2 is a top view thereof.

FIG. 3 is a bottom view thereof.

FIG. 4 is a view of the top and bottom of the calculator in a closed position.

FIG. 5 is a front view thereof.

FIG. 6 is a left and right side view thereof; and,

FIG. 7 is a back side view thereof.

The word MARKSMAN is not claimed as a feature of the design. The words PF PRODUCT are not claimed as a feature of the design. The numerals appearing on the display screen are not part of the design. 

The ornamental design for calculator, as shown and described. 